5 AWS services that are widely used

1.Amazon EC2

EC2 is important for virtual servers on cloud to create scalable architecture, Learning this topic will give you understanding on how create and manage virtual machine , how can you configure security and optimize servers for best use

2.Amazon S3

If you need object storage service which can scale at your needs or if you want static website hosting,serving large datasets S3 is best option in minimal cost

3.AWS Lambda

If want to compute your code without servers on events or automatic without complex architecture AWS lambda is best option.You can build event architectures and want to automate backend tasks without any server

4.Amazon RDS

If you want relational database service that supports popular databases like MySQL, PostgreSQL, and SQL Server. RDS helps in managing databases with minimal operational overhead, including backups, scaling, and patching.

5.Amazon VPC

You can set private network on cloud using Virtual Private Cloud, you can manage networking , security and connectivity of resources on cloud

These Services are essential to learn ,for AWS cloud practitioner certification